George Grey
He died after 1480.

 Anne Wydeville
Anne was born in 1440 in North Fambridge, Essex, England.  She died at the age of 49 on July 30th, 1489 in London, England.

 Richard Grey
Richard was born before 1489.  He died on May 3rd, 1523 in George, Lombard Street, London, England.  He was buried in Whiteriars, Fleet Street, London, England.¹